Pith Number

pith:M2RZ52MP

pith:2008:M2RZ52MPQZOHRJGN4GIVXMHH7D

not attested not anchored not stored refs pending

Protecting, Enhancing and Reviving Entanglement

J. G. Oliveira Jr., M. C. Nemes, R. Rossi Jr.

arxiv:0805.3325 v3 · 2008-05-21 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M2RZ52MPQZOHRJGN4GIVXMHH7D}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:15:52.525360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a39ee98f865c78a4cde1915bb0e7f8ed7a3ae8436cf1364267076e7c2814ef

Aliases

arxiv: 0805.3325 · arxiv_version: 0805.3325v3 · doi: 10.48550/arxiv.0805.3325 · pith_short_12: M2RZ52MPQZOH · pith_short_16: M2RZ52MPQZOHRJGN · pith_short_8: M2RZ52MP

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/M2RZ52MPQZOHRJGN4GIVXMHH7D \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 66a39ee98f865c78a4cde1915bb0e7f8ed7a3ae8436cf1364267076e7c2814ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d84235ad809d34d97e01e0f39da357b150d21f1c0ba42321708c4ee768638e41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-05-21T18:24:04Z",
    "title_canon_sha256": "bda8717cf40cb7d42079b630dc07500e4f504757074cd3d09d99f13898484e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3325",
    "kind": "arxiv",
    "version": 3
  }
}